.show{
    width: 1200px;
    height: 800px;
    margin: auto;
    border: 1px solid silver;
}
.show-nav{
    height:50px;
    width: 1200px;
    border: 1px solid blue;
}
.show-nav div:first-child{
    color: #e69137;
    font-size:20px;
    line-height: 50px;
    text-indent:10px;
}
.show-nav li{
    list-style: none;
    float: right;
    height: 50px;
    width: 100px;
    color:black;
    background-color:#f3f3f3;
    line-height: 50px;
    text-align: center;
}
.show-nav ul li:hover{
    background-color: #e69137;
}

.show-img{
    width: 1200px;
    margin: 10px;
}
.show-img img{
    margin: 10px;
    height: 200px;
    width: 270px;
    overflow: hidden;
}
.show-img div{
    height: 330px;
    width: 280px;
    float: left;
    /*border: 1px solid blue;*/
}
.show-img div h4{
    margin: 10px;
}
.show-img div p{
    color: silver;
    margin: 10px;
}
.show-img div span{
    color: #e69137;
    font-weight: bold;
}